{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["application", "manufacturing standard", "biomedical", "engineering feature", "concept or principle", "material"], "input": "Varying the process parameters like the energy sources and fill patterns can lead to differences in grain structure ."}
{"application": [], "manufacturing standard": [], "biomedical": [], "engineering feature": [], "concept or principle": ["process parameters", "grain structure"], "material": ["lead"]}